ATC SCM19A Active Loudspeakers

Each of the ATC SCM19A are powered by ATC’s latest wide bandwidth, low noise MOSFET Class AB bi-amplifiers delivering a total of 182W (32W to the tweeter, 150W to the mid/bass unit). ATC’s Grounded Source output stage modules are fed by a newly developed two-way active crossover section with second order modified Butterworth circuitry with phase compensation for each crossover point.  The 25mm SH25-76 soft dome tweeter employs a dual suspension system, designed to suppress rocking modes even when driven exceptionally hard. And having a short edge-wound voice coil in a long, narrow magnetic gap claims exceptionally low distortion values.

The ATC SCM19 active speakers deliver a dynamic super clear presentation with a wide open soundstage which are equally at home playing high octane rock (where it will make most similarly sized passive floorstanders sound somewhat flat and loose) but it also does the delicate stuff with great care and finesse as well. Some will prefer the extented low frequency delivered from the 3 way SCM40A's but for this buget these are a properly implemented active design loudspeaker which we have yet to hear better.

Overview

• New ATC designed and built dual suspension 25mm soft dome HF unit with precision alloy wave guide.
• “SL” spec bass driver with 75mm integral Soft Dome.
• 9kg optimised short-coil/long gap motor assembly.
• On-board grounded source 182 watt Class A/B Bi-amplifier.
• Active crossover filters and overload protection.
• 6 year warranty.

Specifications 

Drivers : HF ATC 25mm dual suspension Tweeter, Mid/LF ATC 150mm SL Matched Response : +/- 0.5dB

Frequency Response (-6dB) : 54Hz-22kHz

Dispersion : ±80° Coherent Horizontal, ±10° Coherent Vertical Max SPL : 108dB

Crossover Frequency : 2.5kHz

Connectors : Male XLR Input sensitivity : 1V Filters : 2nd Order critically damped with phase compensation

Overload Protection : Active FET momentary gain reduction

Fault Protection : DC fault protection and thermal trip. Fault indication on rear panel mounted LED

Amplifier Output : 150W LF, 32W HF

Cabinet Dimensions (HxWxD) : 980x370x344mm (spikes add 25mm to height, grill adds 34mm to depth) Weight : 31kg